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Leopard Reference Library
Core Foundation is a framework that provides fundamental software services. Developers can use Core Foundation to build cross-platform applications and can share code and data among frameworks, libraries, and applications. Core Foundation provides abstractions for common data types, facilitates internationalization through Unicode string storage, and offers a suite of utilities.
A guided introduction and learning path for developers new to Core Foundation.   Essential information for developers using the Core Foundation framework.   C API references organized by framework.
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Accessing HTTPS Proxy Settings (HTML) (日本語 HTML)
QA1234: Describes how to programatically access Secure Web Proxy information.
 Networking Technical Q&As 2003-02-19
Advertising a Bonjour service on a specific set of networking interfaces. (HTML)
QA1513: Explains how to register a Bonjour service only on a specific set of networking interfaces.
 Networking Technical Q&As 2007-02-12
Attributed Strings Programming Guide (HTML) (PDF)
Explains how to use attributed strings, which manage attributes of character strings or individual characters.
 Data Management, Text & Fonts Guides 2007-06-04
Base Utilities Reference (HTML) (PDF)
Describes basic Core Foundation functions.
 General Reference 2007-01-15
Binary Data Programming Guide for Core Foundation (HTML) (PDF)
Explains how to create and use Core Foundation data objects, object-oriented wrappers for byte buffers.
 Data Management Guides 2006-01-10
Bonjour enforces the TXT record format in Panther (HTML)
QA1306: Explains how mDNSResponder enforces the proper TXT record format in Panther.
 Networking Technical Q&As 2004-07-14
Bonjour Printer Subtype for HTTP (HTML)
QA1555: Describes how printer vendors can register their bonjour service such that Safari can see them.
 Networking Technical Q&As 2008-03-25
BSDLLCTest (HTML) (DMG) (ZIP)
Program sample demonstrates how to send and receive raw LLC Ethernet packets.
 Events & Other Input, Networking Sample Code 2003-06-12
Bundle Programming Guide (HTML) (PDF)
Explains how to use Core Foundation bundle objects to organize resources.
 Resource Management Guides 2005-11-09
Byte-Order Utilities Reference (HTML) (PDF)
Describes Core Foundation byte-order functions.
 Data Management Reference 2006-05-23
CFAllocator Reference (HTML) (PDF)
Describes an object for managing memory allocation.
 General Reference 2006-12-08
CFArray Reference (HTML) (PDF)
Describes an immutable ordered collection.
 General Reference 2007-05-22
CFAttributedString Reference (HTML) (PDF)
Describes an immutable character string and its associated attributes.
 Data Management, Text & Fonts Reference 2009-05-06
CFBag Reference (HTML) (PDF)
Describes an immutable unordered collection that may contain duplicate values.
 General Reference 2007-05-22
CFBinaryHeap Reference (HTML) (PDF)
Describes a collection sorted using a binary search algorithm.
 General Reference 2006-01-10
CFBitVector Reference (HTML) (PDF)
Describes an immutable ordered collection containing bit values.
 General Reference 2005-12-06
CFBoolean Reference (HTML) (PDF)
Describes a Boolean value.
 General Reference 2005-12-06
CFBundle Reference (HTML) (PDF)
Describes a representation of a resource directory hierarchy.
 General Reference 2007-10-18
CFBundleIdentifier and user application access (HTML)
QA1373: Describes the role of CFBundleIdentifier in limiting a user's application access.
 Design Guidelines Technical Q&As 2005-02-08
CFCalendar Reference (HTML) (PDF)
Describes a calendar.
 Internationalization Reference 2009-02-04
CFCharacterSet Reference (HTML) (PDF)
Describes an immutable character string.
 General Reference 2006-12-01
CFData Reference (HTML) (PDF)
Describes an immutable byte buffer.
 General Reference 2006-02-07
CFDate Reference (HTML) (PDF)
Describes a date and time.
 General Reference 2005-12-06
CFDateFormatter Reference (HTML) (PDF)
Describes a date and time formatter.
 General Reference 2007-05-23
CFDictionary Reference (HTML) (PDF)
Describes an immutable collection of key-value pairs.
 General Reference 2007-10-31
CFError Reference (HTML) (PDF)
Describes a representation of a runtime error.
 Events & Other Input Reference 2006-07-12
CFFileDescriptor Reference (HTML) (PDF)
Describes an object for monitoring file descriptors for read and write activity.
 File Management Reference 2007-05-23
CFFTPSample (HTML) (DMG) (ZIP)
A simple example showing how to use CFFTPStream to download and upload files.
 Networking Sample Code 2006-10-13
CFFTPStream Reference (HTML) (PDF)
Describes the C API for communicating with FTP servers.
 Networking Reference 2008-07-11
CFHost Reference (HTML) (PDF)
Describes the C API for acquiring host information.
 Networking Reference 2008-07-11
CFHostSample (HTML) (DMG) (ZIP)
Uses the CFHost API to do DNS hostname lookups and to determine host reachability.
 Networking Sample Code 2004-04-20
CFHTTPAuthentication Reference (HTML) (PDF)
Describes the C API for applying authentication credentials to HTTP messages.
 Networking Reference 2007-05-15
CFHTTPMessage Reference (HTML) (PDF)
Describes the C API for creating, sending, receiving and manipulating HTTP messages.
 Networking Reference 2008-07-11
CFHTTPStream Reference (HTML) (PDF)
Describes the interface for working with HTTP connections.
 Networking Reference 2008-07-08
CFLocale Reference (HTML) (PDF)
Describes a representation of a locale.
 General Reference 2007-05-23
CFLocalServer (HTML) (DMG) (ZIP)
Uses UNIX domain sockets to communicate between client and server programs on the same machine.
Networking, Process Management Sample Code 2005-07-26
CFMachPort Reference (HTML) (PDF)
Describes a wrapper for a native mach port.
General Reference 2008-04-08
CFMessagePort Reference (HTML) (PDF)
Describes a communications channel that can locally transmit data between threads or processes.
General Reference 2007-03-20
CFMutableArray Reference (HTML) (PDF)
Describes an immutable ordered collection.
 General Reference 2005-12-06
CFMutableAttributedString Reference (HTML) (PDF)
Describes a mutable character string and associated set of attributes.
 Data Management, Text & Fonts Reference 2009-05-06
CFMutableBag Reference (HTML) (PDF)
Describes a mutable unordered collection that may contain duplicate values.
 General Reference 2005-12-06
CFMutableBitVector Reference (HTML) (PDF)
Describes a mutable ordered collection containing bit values.
 General Reference 2006-02-07
CFMutableCharacterSet Reference (HTML) (PDF)
Describes a mutable set of Unicode characters.
 General Reference 2005-12-06
CFMutableData Reference (HTML) (PDF)
Describes a mutable byte buffer.
 General Reference 2007-03-07
CFMutableDictionary Reference (HTML) (PDF)
Describes a mutable collection of key-value pairs.
 General Reference 2005-12-06
CFMutableSet Reference (HTML) (PDF)
Describes a mutable unordered collection of distinct values.
 General Reference 2005-12-06
CFMutableString Reference (HTML) (PDF)
Describes a mutable character string.
 General Reference 2008-10-15
CFNetDiagnostics Reference (HTML) (PDF)
Describes the C API for diagnosing and fixing network related problems.
 Networking Reference 2008-07-11
CFNetServices Reference (HTML) (PDF)
Describes the C API for implementing Bonjour functionality in an application.
 Networking Reference 2008-07-08
CFNetwork Error Codes Reference (HTML) (PDF)
Describes error codes used by the CFNetwork API.
 Networking Reference 2008-10-15
CFNetwork Framework Release Notes (HTML)
Networking Release Notes 2007-10-31
CFNetwork Programming Guide (HTML) (PDF)
Explains how to use Core Foundation networking functions to work with low-level BSD sockets.
 Networking Guides 2009-05-06
CFNetwork Reference Collection (HTML) (PDF)
Describes the C APIs for performing a variety network tasks.
 Networking Reference 2008-07-15
CFNetworkHTTPDownload (HTML) (DMG) (ZIP)
Demonstrates how to download a URL using CFNetworking.
 Networking Sample Code 2006-01-18
CFNotificationCenter Reference (HTML) (PDF)
Describes an object that sends notifications to registered observers.
 General Reference 2007-01-22
CFNull Reference (HTML) (PDF)
Describes an object that represents null.
 General Reference 2005-12-06
CFNumber Reference (HTML) (PDF)
Describes a number.
 General Reference 2006-12-01
CFNumberFormatter Reference (HTML) (PDF)
Describes a number formatter.
 General Reference 2007-05-23
CFPlugIn Reference (HTML) (PDF)
Describes a plug-in.
 General Reference 2006-02-07
CFPlugInInstance Reference (HTML) (PDF)
Describes a deprecated technology replaced by the CFPlugin opaque type.
 General Reference 2005-12-06
CFPreferences (HTML) (DMG) (ZIP)
Shows how to use the CFPreferences APIs to access user preferences.
Data Management, Design Guidelines, Resource Management Sample Code 2003-01-14
CFPrefsDumper (HTML) (DMG) (ZIP)
Shows how to use the CFPreferences APIs to access information about the current user preferences.
Data Management, Design Guidelines, Resource Management Sample Code 2003-01-14
CFPrefTopScores (HTML) (DMG) (ZIP)
How to access globally shared (writable) user preferences without requiring authentication.
 Data Management, Design Guidelines, File Management, Resource Management Sample Code 2006-10-09
CFPropertyList Reference (HTML) (PDF)
Describes a runtime representation of a property list.
 General Reference 2006-02-07
CFProxySupport Reference (HTML) (PDF)
Describes the CFProxySupport API, which provides functions for managing network proxy information.
 Networking Reference 2008-07-07
CFProxySupportTool (HTML) (DMG) (ZIP)
Shows how to use the CFProxySupport APIs to decide whether a network connection should pass through a proxy.
 Networking Sample Code 2007-10-29
CFReadStream Reference (HTML) (PDF)
Describes an interface for reading a byte stream.
 General Reference 2007-05-03
CFRunLoop Reference (HTML) (PDF)
Describes an object that manages input sources for a task.
 General Reference 2006-12-08
CFRunLoopObserver Reference (HTML) (PDF)
Describes a means to receive callbacks at specific points during a run loop's execution.
 General Reference 2006-02-07
CFRunLoopSource Reference (HTML) (PDF)
Describes the source for a run loop.
 General Reference 2006-02-07
CFRunLoopTimer Reference (HTML) (PDF)
Describes a timer associated with a run loop.
 General Reference 2006-02-07
CFSet Reference (HTML) (PDF)
Describes an immutable unordered collection of distinct values.
 General Reference 2005-12-06
CFSocket Reference (HTML) (PDF)
Describes a network communications channel.
 General Reference 2008-10-15
CFStream Reference (HTML) (PDF)
Describes the interface for creating streams.
 Networking Reference 2007-05-03
CFStream Socket Additions (HTML) (PDF)
Describes the C API for using streams with sockets.
 Networking Reference 2008-07-08
CFString Reference (HTML) (PDF)
Describes an immutable character string.
 General Reference 2008-10-15
CFStringTokenizer Reference (HTML) (PDF)
Describes an opaque type for breaking a string into tokens.
 Data Management, Internationalization, Text & Fonts Reference 2009-01-06
CFTimeZone Reference (HTML) (PDF)
Describes a representation of a time zone.
 General Reference 2008-10-15
CFTree Reference (HTML) (PDF)
Describes a tree structure.
 General Reference 2005-12-06
CFType Reference (HTML) (PDF)
Describes the Core Foundation base type.
 General Reference 2007-07-12
CFURL Reference (HTML) (PDF)
Describes a string that uniquely identifies a resource.
 General Reference 2009-02-04
CFUserNotification Reference (HTML) (PDF)
Describes a notification.
 General Reference 2006-02-07
CFUUID Reference (HTML) (PDF)
Describes a unique identifier.
 General Reference 2007-01-15
CFWriteStream Reference (HTML) (PDF)
Describes an interface for writing a byte stream.
 General Reference 2007-05-03
CFXML to CFPropertyListRef (and back!) (HTML) (日本語 HTML)
QA1208: Describes to how save and restore a CFPropertyListRef to and from an XML file.
 Data Management, Events & Other Input, Resource Management, Text & Fonts Technical Q&As 2003-08-29
CFXMLNode Reference (HTML) (PDF)
Describes the opaque type for representing an individual XML construct.
 General Reference 2006-02-07
CFXMLParser Reference (HTML) (PDF)
Describes an object for finding and extracting data in XML documents.
 General Reference 2008-10-15
CFXMLTree Reference (HTML) (PDF)
Describes an XML document as a tree structure.
 General Reference 2008-10-15
Changing the TCP Window Size (HTML)
NW47: Describes how to change the TCP window size in Open Transport.
 Networking, Performance Technical Q&As 1997-03-14
CheckExecutableArchitecture (HTML) (DMG) (ZIP)
Determine whether a particular Mach-O executable contains a version suitable for executing on a given processor architecture.
File Management, Resource Management Sample Code 2006-02-07
The "chosen" node in the device tree (HTML)
HW88: Describes how to find the "chosen" node in the Open firmware device tree.
 Networking Technical Q&As 2000-09-05
Code Speed Performance Guidelines (HTML) (PDF)
Guidelines for improving the performance and efficiency of code.
 Performance Guides 2005-07-07
Collections Programming Topics for Core Foundation (HTML) (PDF)
Explains how to group objects in arrays, sets, or dictionaries in Core Foundation.
 Data Management Guides 2003-08-07
Converting to Precomposed Unicode (HTML) (日本語 HTML)
QA1235: Describes how to convert a string to precomposed Unicode.
 Text & Fonts Technical Q&As 2003-02-07
Core Animation properties and Reference Counting (HTML)
QA1565: Describes a discrepancy between the property declarations in Core Animation and the actual behavior.
 Resource Management Technical Q&As 2008-11-24
Core Foundation Design Concepts (HTML) (PDF)
Explains the fundamental design concepts that underlie all Core Foundation programming interfaces.
 Design Guidelines Guides 2005-08-11
Core Foundation Framework Reference (HTML) (PDF)
Describes the Core Foundation API.
 General Reference 2007-10-31
Core Foundation Reference Update (HTML) (PDF)
Summarizes the symbols added to the Core Foundation framework.
 General Release Notes 2007-07-18
Core Foundation URL Access Utilities Reference (HTML) (PDF)
Describes Core Foundation URL access functions.
 General Reference 2007-01-19
Core Services Identity Reference (HTML)
Describes the C API for creating, maintaining and finding users and groups.
 Networking Reference 2008-04-08
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